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Why does String.valueOf(null) throw a NullPointerException?
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203
The issue is that String.valueOf method is overloaded:
String.valueOf(Object)
String.valueOf(...
How do I use shell variables in an awk script?
...}' var="${variable}" file
Adding multiple variables:
awk '{print a,b,$0}' a="$var1" b="$var2" file
In this way we can also set different Field Separator FS for each file.
awk 'some code' FS=',' file1.txt FS=';' file2.ext
Variable after the code block will not work for the BEGIN block:
e...
.gitignore file, where should I put it in my xcode project?
... Daniel RibeiroDaniel Ribeiro
9,36399 gold badges4040 silver badges7272 bronze badges
1
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CSS text-overflow in a table cell?
...flow to work. No extra layout div elements are required:
td
{
max-width: 100px;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
For responsive layouts; use the max-width CSS property to specify the effective minimum width of the column, or just use max-width: 0; for unlimited ...
Twig for loop for arrays with keys
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answered Apr 24 '12 at 14:00
GuillaumeGuillaume
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...
Example for sync.WaitGroup correct?
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func main() {
var wg sync.WaitGroup
wg.Add(1)
go dosomething(200, &wg)
wg.Add(1)
go dosomething(400, &wg)
wg.Add(1)
go dosomething(150, &wg)
wg.Add(1)
go dosomething(600, &wg)
wg.Wait()
fmt.Println("Done")
}
However, it is rather pointl...
How to skip “are you sure Y/N” when deleting files in batch files
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edited Sep 12 '18 at 20:06
answered Aug 23 '11 at 11:34
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How to tell where a header file is included from?
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edited Jun 28 '17 at 10:16
Viet
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answered A...
Show current key setting?
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110
To see the current value currently defined for <leader>, use:
:let mapleader
Producing ...
to_string is not a member of std, says g++ (mingw)
...MinGW.
This issue has been fixed in MinGW-w64 distros higher than GCC 4.8.0 provided by the MinGW-w64 project. Despite the name, the project provides toolchains for 32-bit along with 64-bit. The Nuwen MinGW distro also solves this issue.
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